.btn-ok {
  background: #4C34FF;
  color: #fff;
  text-transform: uppercase;
  font-weight: normal;
  font-family: 'Open Sans', sans-serif;
  margin: 20px 0 5px;
  padding: 5px;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  transition: all 0.3s;
}